[특허]Closure device with textured surface

[미국특허] Closure device with textured surface 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/08
출원번호	US-0790554 (2010-05-28)
등록번호	US-8398677 (2013-03-19)
발명자 / 주소	Lafontaine, Daniel M. Ungs, Mark T. Drasler, William J. Zhong, Sheng-Ping (Samuel)
출원인 / 주소	Boston Scientific Scimed, Inc.
대리인 / 주소	Seager, Tufte & Wickhem LLC
인용정보	피인용 횟수 : 3 인용 특허 : 96

초록 ▼

A closure device closes an opening in a body cavity. The closure device includes a plurality of fibrous tissue engaging members coupled to a proximally extending elongate member, a closure sheath sized to receive the elongate member and slidable over the elongate member to move the fibrous tissue engaging members from an expanded position to a collapsed position, a delivery sheath sized to receive the closure sheath and having a distal end sized to engage the fibrous tissue engaging members in the expanded position, and a closure member having an aperture sized to receive the closure sheath.

대표청구항 ▼

1. A closure apparatus for closing an opening in a body cavity, a smooth media layer being located proximal to the opening and a fibrous tissue layer being located proximal to the smooth media layer, the closure apparatus comprising: a plurality of fibrous tissue engaging members coupled to a proximally extending elongate member, the fibrous tissue engaging members being movable between an expanded position and a collapsed position;a closure sheath sized to receive the elongate member and slidable thereover to move the fibrous tissue engaging members from the expanded position to the collapsed position;a delivery sheath sized to receive the closure sheath and having a distal end sized to engage the fibrous tissue engaging members when in the expanded position; anda closure member having an aperture defined therein sized to receive the closure sheath. 2. The closure apparatus of claim 1, wherein the closure member comprises: a generally disc-shaped member having the aperture defined therein. 3. The closure apparatus of claim 2, wherein the generally disc-shaped closure member comprises: a plurality of disc-shaped pieces each having an aperture defined therein and being arranged in a generally coaxial orientation. 4. The closure apparatus of claim 1, wherein the closure member comprises: a sheet of pliable, swellable material folded into a generally tubular shape having the aperture defined therethrough. 5. The closure apparatus of claim 1, wherein the closure member comprises: a plurality of sheets of pliable, swellable material, each folded into a generally tubular shape having the aperture defined therethrough. 6. The closure apparatus of claim 5, wherein the plurality of sheets are disposed over the closure sheath in a generally coaxial arrangement. 7. The closure apparatus of claim 1, wherein the fibrous tissue engaging members comprise: a plurality of hook-shaped members. 8. The closure apparatus of claim 7, wherein the plurality of hook-shaped members are oriented to be proximally facing hook-shaped members. 9. The closure apparatus of claim 8, wherein the proximally facing hook-shaped members are sufficiently resilient to deform to be received within the closure sheath upon distal advancement of the closure sheath distally beyond the proximally facing hook-shaped members. 10. The closure apparatus of claim 1, wherein the delivery sheath is in engagement with the plurality of fibrous tissue engaging members in the expanded position as the plurality of fibrous tissue engaging members is advanced distally into the body cavity opening. 11. The closure apparatus of claim 10, wherein the plurality of fibrous tissue engaging members is configured to pass through the smooth media layer and become entangled with the fibrous tissue layer when moved proximally away from the body cavity opening.

이 특허에 인용된 특허 (96) 인용/피인용 타임라인 분석

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[미국특허] Closure device with textured surface 원문보기

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